static std::wstring MBytesToWString(const char* lpcszString);
static std::string WStringToMBytes(const wchar_t* lpwcszWString);
static std::wstring UTF8ToWString(const char* lpcszString);
static std::string WStringToUTF8(const wchar_t* lpwcszWString);
std::wstring KKLogObject::MBytesToWString(const char* lpcszString)
{
int len = strlen(lpcszString);
int unicodeLen = ::MultiByteToWideChar(CP_ACP, 0, lpcszString, -1, NULL, 0);
wchar_t* pUnicode = new wchar_t[unicodeLen + 1];
memset(pUnicode, 0, (unicodeLen + 1) * sizeof(wchar_t));
::MultiByteToWideChar(CP_ACP, 0, lpcszString, -1, (LPWSTR)pUnicode, unicodeLen);
wstring wString = (wchar_t*)pUnicode;
delete [] pUnicode;
return wString;
}
std::string KKLogObject::WStringToMBytes(const wchar_t* lpwcszWString)
{
char* pElementText;
int iTextLen;
// wide char to multi char
iTextLen = ::WideCharToMultiByte(CP_ACP, 0, lpwcszWString, -1, NULL, 0, NULL, NULL);
pElementText = new char[iTextLen + 1];
memset((void*)pElementText, 0, (iTextLen + 1) * sizeof(char));
::WideCharToMultiByte(CP_ACP, 0, lpwcszWString, 0, pElementText, iTextLen, NULL, NULL);
std::string strReturn(pElementText);
delete [] pElementText;
return strReturn;
}
std::wstring KKLogObject::UTF8ToWString(const char* lpcszString)
{
int len = strlen(lpcszString);
int unicodeLen = ::MultiByteToWideChar(CP_UTF8, 0, lpcszString, -1, NULL, 0);
wchar_t* pUnicode;
pUnicode = new wchar_t[unicodeLen + 1];
memset((void*)pUnicode, 0, (unicodeLen + 1) * sizeof(wchar_t));
::MultiByteToWideChar(CP_UTF8, 0, lpcszString, -1, (LPWSTR)pUnicode, unicodeLen);
wstring wstrReturn(pUnicode);
delete [] pUnicode;
return wstrReturn;
}
std::string KKLogObject::WStringToUTF8(const wchar_t* lpwcszWString)
{
char* pElementText;
int iTextLen = ::WideCharToMultiByte(CP_UTF8, 0, (LPWSTR)lpwcszWString, -1, NULL, 0, NULL, NULL);
pElementText = new char[iTextLen + 1];
memset((void*)pElementText, 0, (iTextLen + 1) * sizeof(char));
::WideCharToMultiByte(CP_UTF8, 0, (LPWSTR)lpwcszWString, -1, pElementText, iTextLen, NULL, NULL);
std::string strReturn(pElementText);
delete [] pElementText;
return strReturn;
}
#include <iostream>
#include <string>
#include <Windows.h>
using namespace std;
//gbk转UTF-8
string GbkToUtf8(const std::string& strGbk)//传入的strGbk是GBK编码
{
//gbk转unicode
int len = MultiByteToWideChar(CP_ACP, 0, strGbk.c_str(), -1, NULL, 0);
wchar_t *strUnicode = new wchar_t[len];
wmemset(strUnicode, 0, len);
MultiByteToWideChar(CP_ACP, 0, strGbk.c_str(), -1, strUnicode, len);
//unicode转UTF-8
len = WideCharToMultiByte(CP_UTF8, 0, strUnicode, -1, NULL, 0, NULL, NULL);
char * strUtf8 = new char[len];
WideCharToMultiByte(CP_UTF8, 0, strUnicode, -1, strUtf8, len, NULL, NULL);
std::string strTemp(strUtf8);//此时的strTemp是UTF-8编码
delete[]strUnicode;
delete[]strUtf8;
strUnicode = NULL;
strUtf8 = NULL;
return strTemp;
}
//UTF-8转gbk
string Utf8ToGbk(const std::string& strUtf8)//传入的strUtf8是UTF-8编码
{
//UTF-8转unicode
int len = MultiByteToWideChar(CP_UTF8, 0, strUtf8.c_str(), -1, NULL, 0);
wchar_t * strUnicode = new wchar_t[len];//len = 2
wmemset(strUnicode, 0, len);
MultiByteToWideChar(CP_UTF8, 0, strUtf8.c_str(), -1, strUnicode, len);
//unicode转gbk
len = WideCharToMultiByte(CP_ACP, 0, strUnicode, -1, NULL, 0, NULL, NULL);
char *strGbk = new char[len];//len=3 本来为2，但是char*后面自动加上了\0
memset(strGbk, 0, len);
WideCharToMultiByte(CP_ACP,0, strUnicode, -1, strGbk, len, NULL, NULL);
std::string strTemp(strGbk);//此时的strTemp是GBK编码
delete[]strUnicode;
delete[]strGbk;
strUnicode = NULL;
strGbk = NULL;
return strTemp;
}
//gbk转unicode (下面的例子没用到)
wstring GbkToUnicode(const std::string& strGbk)//返回值是wstring
{
int len = MultiByteToWideChar(CP_ACP, 0, strGbk.c_str(), -1, NULL, 0);
wchar_t *strUnicode = new wchar_t[len];
wmemset(strUnicode, 0, len);
MultiByteToWideChar(CP_ACP, 0, strGbk.c_str(), -1, strUnicode, len);
std::wstring strTemp(strUnicode);//此时的strTemp是Unicode编码
delete[]strUnicode;
strUnicode = NULL;
return strTemp;
}
//Unicode转gbk
string UnicodeToGbk (const std::wstring& strUnicode)//参数是wstring
{
int len = WideCharToMultiByte(CP_ACP, 0, strUnicode.c_str(), -1, NULL, 0, NULL, NULL);
char *strGbk = new char[len];//len=3 本来为2，但是char*后面自动加上了\0
memset(strGbk, 0, len);
WideCharToMultiByte(CP_ACP,0,strUnicode.c_str(), -1, strGbk, len, NULL, NULL);
std::string strTemp(strGbk);//此时的strTemp是GBK编码
delete[]strGbk;
strGbk = NULL;
return strTemp;
}
int main()
{
//1、ANSI/GBK编码
string strGbk = "我";
int num = strGbk.size();//获取两个字符数，也是我字所占的字节数
unsigned char* p = (unsigned char*)strGbk.c_str();
for (int i = 0; i < num; i++)
{
printf("%0x", *p);
p++;
} //输出ced2 所以我的GBK编码是0xced2
printf("\n");
char gbk[] = {0xce, 0xd2, 0x00}; //加上0x00字符串结束符,不会输出乱码
cout<<gbk<<endl;//输出汉字我
//2、unicodde编码
//方法一
//wchar_t str = 0x6211;
//wcout.imbue(locale("chs"));
//wcout << str << endl;//输出汉字我
//wchar_t c=L'我';
//cout << hex << (short)c << endl<<endl;//输出unicodde编码 6211
//方法二:
wstring strUnicode = L"我";//转成unicode编码
num = strUnicode.size()*2;//乘以2，才是我所占的字节数
p = (unsigned char*)strUnicode.c_str();
for (int i = 0; i < num; i++)
{
printf("%0x", *p);
p++;
} //输出1162 因为默认是小端模式，所以我的unicode编码是0x6211
printf("\n");
wchar_t s[2] = {0x6211, 0x00}; //加上0x00字符串结束符,不会输出乱码
wstring str =(wchar_t*)s;
cout<<UnicodeToGbk(str)<<endl;//需要先将unicode字符串转成gbk之后才能用cout输出
//3、UTF-8编码
string strUtf8 = GbkToUtf8("我");//转成utf8编码
num = strUtf8.size();//num=3
p = (unsigned char*)strUtf8.c_str();
for (int i = 0; i < num; i++)
{
printf("%0x", *p);
p++;
} //输出e68891
printf("\n");
char utf8[] = {0xe6, 0x88, 0x91,0x00}; //加上0x00字符串结束符,不会输出乱码
cout<<Utf8ToGbk(utf8)<<endl;//需要先将utf8字符串转成gbk之后才能用cout输出
return 0;
}
